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Patch #1533909: the timeit module now accepts callables in addition to

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strings for the code to time and the setup code. Also added two
convenience functions for instantiating a Timer and calling its methods.
This commit is contained in:
Georg Brandl 2007-03-13 19:32:21 +00:00
parent 4168c0466f
commit d9bef35e3c
4 changed files with 83 additions and 11 deletions
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25
Doc/lib/libtimeit.tex
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@ -31,6 +31,13 @@ To measure the execution time of the first statement, use the
\method{timeit()} method. The \method{repeat()} method is a
convenience to call \method{timeit()} multiple times and return a list
of results.
\versionchanged[The \var{stmt} and \var{setup} parameters can now also
take objects that are callable without arguments. This
will embed calls to them in a timer function that will
then be executed by \method{timeit()}. Note that the timing
overhead is a little larger in this case because of the
extra function calls]{2.6}
\end{classdesc}
\begin{methoddesc}{print_exc}{\optional{file=\constant{None}}}
@ -97,6 +104,24 @@ measured. If so, GC can be re-enabled as the first statement in the
\end{methoddesc}
Starting with version 2.6, the module also defines two convenience functions:
\begin{funcdesc}{repeat}{stmt\optional{, setup\optional{, timer\optional{,
repeat\code{=3} \optional{, number\code{=1000000}}}}}}
Create a \class{Timer} instance with the given statement, setup code and timer
function and run its \method{repeat} method with the given repeat count and
\var{number} executions.
\versionadded{2.6}
\end{funcdesc}
\begin{funcdesc}{timeit}{stmt\optional{, setup\optional{, timer\optional{,
number\code{=1000000}}}}}
Create a \class{Timer} instance with the given statement, setup code and timer
function and run its \method{timeit} method with \var{number} executions.
\versionadded{2.6}
\end{funcdesc}
\subsection{Command Line Interface}
When called as a program from the command line, the following form is used: